Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Unrooted maximum parsimony trees of SSR9 variant 2 (A) and variant 3 (B) of selected YNP type IA and IIIA culture isolates. Bootstrap values are given for all nodes exceeding 50%. Branch lengths are proportional to the number of changes on a given branch.
